Hair brush



FIG. 1 is a first perspective view of the hair brush;

FIG. 2 is a second perspective view of the hair brush;

FIG. 3 is a top plan view of the hair brush;

FIG. 4 is a bottom plan view of the hair brush;

FIG. 5 is a right side elevation view of the hair brush;

FIG. 6 is a left side elevation view of the hair brush;

FIG. 7 is a rear elevation view of the hair brush; and,

FIG. 8 is a front elevation view of the hair brush.

Any portions of the figures shown in broken lines illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design(s) for a hair brush, as shown and described. 